changepwdactivity

package com.example.phonefragment;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class ChangePwdActivity extends Activity {

Handler handler;

EditText tel;
EditText pwd;
EditText pwdagain;
Button btn_confirm;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_changepwd);

handler = new Handler();
tel = (EditText) findViewById(R.id.edt_changepwdnum);
pwd = (EditText) findViewById(R.id.edt_changepwnewpwd);
pwdagain = (EditText) findViewById(R.id.edt_changepwnewpwdagain);
btn_confirm = (Button) findViewById(R.id.btn_changePw);

btn_confirm.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String telString = tel.getText().toString();
String pwdString = pwd.getText().toString();
String pwdagainString = pwdagain.getText().toString();

String url = "http://192.168.1.108:3000/users/addUser";

if (pwdString.equals(pwdagainString)) {
ChangePwdThread httpThread = new ChangePwdThread(url,
telString, pwdString);
httpThread.start();
} else {
Toast.makeText(ChangePwdActivity.this, "两次输入密码不相同，请重新输入",
Toast.LENGTH_SHORT).show();
}
}
});
}

class ChangePwdThread extends Thread {

String str;

String url;

String username;

String password;

public ChangePwdThread(String url, String username, String password) {
// TODO Auto-generated constructor stub
this.url = url;
this.username = username;
this.password = password;
}

public void doGet() {
HttpClient httpClient = new DefaultHttpClient();
// 注意，下面这一行中，我之前把链接中的"test"误写成了"text"，导致调BUG调了半天没弄出来，真是浪费时间啊
String url = this.url + "?tel=" + username + "&pwd=" + password;
// 第二步：创建代表请求的对象,参数是访问的服务器地址
HttpGet httpGet = new HttpGet(url);
try {
// 第三步：执行请求，获取服务器发还的相应对象
HttpResponse response = httpClient.execute(httpGet);
// 第四步：检查相应的状态是否正常：检查状态码的值是200表示正常
if (response.getStatusLine().getStatusCode() == 200) {
// 第五步：从相应对象当中取出数据，放到entity当中
HttpEntity entity = response.getEntity();
BufferedReader reader = new BufferedReader(
new InputStreamReader(entity.getContent()));
StringBuffer sb = new StringBuffer();
while ((str = reader.readLine()) != null) {
sb.append(str);
}
str = sb.toString();
if (str.trim().equals("ok")) {
// 用户登录成功
Intent intent = new Intent();
intent.setClass(ChangePwdActivity.this,
LoginActivity.class);
startActivity(intent);
ChangePwdActivity.this.finish();
} else {
// 用户登录失败
handler.post(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
Toast.makeText(ChangePwdActivity.this,
str, Toast.LENGTH_LONG).show();
}
});
}
}
} catch (Exception e) {
e.printStackTrace();
}
}

public void doPost() {
HttpClient httpClient = new DefaultHttpClient();
String httpUrl = this.url;
HttpPost request = new HttpPost(httpUrl);
// 传递参数
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("tel", username));
params.add(new BasicNameValuePair("pwd", password));
HttpResponse response;
HttpEntity entity;
try {
entity = new UrlEncodedFormEntity(params, "UTF-8");
request.setEntity(entity);
response = httpClient.execute(request);
// 如果返回状态为200，获得返回的结果
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
String str = EntityUtils.toString(response.getEntity());
if (str.trim().equals("ok")) {
// 用户登录成功
Intent intent = new Intent();
intent.setClass(ChangePwdActivity.this,
LoginActivity.class);
startActivity(intent);
ChangePwdActivity.this.finish();
} else {
// 用户登录失败
handler.post(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
Toast.makeText(ChangePwdActivity.this,
"账号或密码错误", Toast.LENGTH_SHORT).show();
}
});
}
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

@Override
public void run() {
// TODO Auto-generated method stub
doGet();
}
}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

</RelativeLayout>